MRI Evaluation of Resection Margins in Bone Tumour Surgery

Table 3

Agreement between pathological evaluation and MRI evaluation.

Agreement with the pathological evaluation	Kappa value	P value
Radiologist	K = 1 (perfect agreement)	<0.0001
Experienced orthopaedic surgeon	K = 0.87 (very good agreement)	<0.0001
Unexperienced orthopaedic surgeon	K = 0.25 (fair agreement)	0.2